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construct/include/ircd/db/database/stats.h

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// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_DB_DATABASE_STATS_H
// This file is not part of the standard include stack because it requires
// RocksDB symbols which we cannot forward declare. It is used internally
// and does not need to be included by general users of IRCd.
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struct ircd::db::database::stats
final
:rocksdb::Statistics
{
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struct passthru;
database *d {nullptr};
std::array<uint64_t, rocksdb::TICKER_ENUM_MAX> ticker {{0}};
std::array<struct db::histogram, rocksdb::HISTOGRAM_ENUM_MAX> histogram;
uint64_t getTickerCount(const uint32_t tickerType) const noexcept override;
void recordTick(const uint32_t tickerType, const uint64_t count) noexcept override;
void setTickerCount(const uint32_t tickerType, const uint64_t count) noexcept override;
void histogramData(const uint32_t type, rocksdb::HistogramData *) const noexcept override;
void measureTime(const uint32_t histogramType, const uint64_t time) noexcept override;
bool HistEnabledForType(const uint32_t type) const noexcept override;
uint64_t getAndResetTickerCount(const uint32_t tickerType) noexcept override;
rocksdb::Status Reset() noexcept override;
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stats(database *const &d = nullptr);
~stats() noexcept;
};
struct ircd::db::database::stats::passthru
final
:rocksdb::Statistics
{
std::array<rocksdb::Statistics *, 2> pass {{nullptr}};
void recordTick(const uint32_t tickerType, const uint64_t count) noexcept override;
void measureTime(const uint32_t histogramType, const uint64_t time) noexcept override;
bool HistEnabledForType(const uint32_t type) const noexcept override;
uint64_t getTickerCount(const uint32_t tickerType) const noexcept override;
void setTickerCount(const uint32_t tickerType, const uint64_t count) noexcept override;
void histogramData(const uint32_t type, rocksdb::HistogramData *) const noexcept override;
uint64_t getAndResetTickerCount(const uint32_t tickerType) noexcept override;
rocksdb::Status Reset() noexcept override;
passthru(rocksdb::Statistics *const &a, rocksdb::Statistics *const &b);
~passthru() noexcept;
};